چكيده به لاتين
In today's world, satellites play a key role and cost a lot of money to design and build, so in this industry, increasing the reliability, longevity, and quality of subsystem services is very important.
evaluation is inherently difficult for new communication protocols designed for long distances, including LEO orbit and deep space, because experimental implementation is often impractical. To accurately measure the performance of a link, it is important to evaluate it in an environment that closely matches what will be used. In other words, the closer the simulation conditions of the satellite communication link are to reality, the easier it will be to evaluate the communication protocol.
Time delay, Doppler shift, path losses, rain attenuation, and fading or multipath are some of the most important features in the communication channel that we try to simulate and investigate in SLS-V4 space link simulator software.
In addition, by analyzing the data recorded on several real data sets and examining the results, and comparing it with the results of other articles, we were able to obtain a statistical model suitable for our communication channel that a signal recorded at a fixed urban ground station at low elevations. Let's compare and evaluate the first and second-degree modeling and statistical parameters.
